_default_spawn() called build_subprocess_env(scrub_secrets=is_multiplex_active())
with no profile secret scope installed. Under multiplex, any name registered via
terminal.env_passthrough makes _filter_secret_env's resolve_passthrough_value()
call get_secret() with no scope active, which fails closed with
UnscopedSecretError -- crashing every Kanban worker spawn, for every profile, as
soon as env_passthrough is configured anywhere.
Mirror _resolve_worker_cli_toolsets's existing scope-then-read ordering a few
functions up in the same file: resolve the assignee's HERMES_HOME first, install
build_profile_secret_scope() around the env build, then set env["HERMES_HOME"]
from the value already resolved instead of calling resolve_profile_env() twice.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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